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Finding the Fourth Proportional to 161,726.60, 242,589.90 and 149,916.80

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Solution

The fourth proportional to 161,726.60, 242,589.90 and 149,916.80 is: 224,875.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,726.60 : 242,589.90 = 149,916.80 : x
  2. Step 2: Convert to fraction form
    161,726.60/242,589.90 = 149,916.80/x
  3. Step 3: Cross multiply
    161,726.60x = 242,589.90 × 149,916.80
  4. Step 4: Simplify right side
    161,726.60x = 36,368,301,520.32
  5. Step 5: Solve for x
    x = 36,368,301,520.32/161,726.60
  6. Step 6: Final answer
    x = 224,875.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.